package com.zenithmind.coding.service.impl;

import com.zenithmind.coding.service.LanguageSupportService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

/**
 * 编程语言支持服务实现类
 * 
 * @author ZenithMind Team
 * @since 2025-01-09
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class LanguageSupportServiceImpl implements LanguageSupportService {

    @Override
    public String[] getSupportedLanguages() {
        return new String[]{"java", "python", "javascript", "cpp", "c", "csharp", "go", "rust"};
    }

    @Override
    public Object getLanguageConfig(String language) {
        log.info("获取编程语言配置: language={}", language);
        Map<String, Object> config = new HashMap<>();
        config.put("compiler", language + "c");
        config.put("runtime", language);
        config.put("fileExtension", "." + language);
        config.put("timeLimit", 5000);
        config.put("memoryLimit", 256);
        return config;
    }

    @Override
    public Object getLanguageExamples(String language) {
        log.info("获取编程语言示例: language={}", language);
        Map<String, Object> examples = new HashMap<>();
        examples.put("helloWorld", getLanguageTemplate(language, "Hello World"));
        examples.put("basic", "// Basic example for " + language);
        return examples;
    }

    @Override
    public String getLanguageVersion(String language) {
        log.info("获取编程语言版本: language={}", language);
        return "latest";
    }

    @Override
    public Object getLanguageFeatures(String language) {
        log.info("获取编程语言特性: language={}", language);
        Map<String, Object> features = new HashMap<>();
        features.put("paradigms", new String[]{"面向对象"});
        features.put("typing", "静态类型");
        features.put("compilation", "编译型");
        return features;
    }

    @Override
    public Object getLanguageLimits(String language) {
        log.info("获取编程语言限制: language={}", language);
        Map<String, Object> limits = new HashMap<>();
        limits.put("timeLimit", 5000);
        limits.put("memoryLimit", 256);
        limits.put("outputLimit", 1024);
        return limits;
    }

    @Override
    public Object getLanguageDocumentation(String languageId) {
        log.info("获取编程语言文档: languageId={}", languageId);
        Map<String, Object> docs = new HashMap<>();
        docs.put("official", "https://docs." + languageId + ".org");
        docs.put("tutorial", "https://tutorial." + languageId + ".org");
        return docs;
    }

    @Override
    public String getLanguageTemplate(String language, String templateType) {
        log.info("获取编程语言模板内容: language={}, templateType={}", language, templateType);

        if ("Hello World".equals(templateType)) {
            switch (language.toLowerCase()) {
                case "java":
                    return "public class HelloWorld {\n    public static void main(String[] args) {\n        System.out.println(\"Hello, World!\");\n    }\n}";
                case "python":
                    return "def main():\n    print(\"Hello, World!\")\n\nif __name__ == \"__main__\":\n    main()";
                case "javascript":
                    return "function main() {\n    console.log(\"Hello, World!\");\n}\n\nmain();";
                default:
                    return "// Hello World template for " + language;
            }
        }

        return "// Template: " + templateType + " for " + language;
    }

    @Override
    public Boolean addLanguageSupport(Object languageConfig) {
        log.info("添加语言支持: config={}", languageConfig);
        return true; // 简单实现
    }

    @Override
    public Boolean updateLanguageConfig(String language, Object languageConfig) {
        log.info("更新语言配置: language={}, config={}", language, languageConfig);
        return true; // 简单实现
    }

    @Override
    public Boolean isLanguageSupported(String language) {
        String[] supported = getSupportedLanguages();
        for (String lang : supported) {
            if (lang.equalsIgnoreCase(language)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public Object getLanguageBuiltinFunctions(String language) {
        log.info("获取编程语言内置函数: language={}", language);
        switch (language.toLowerCase()) {
            case "java":
                return new String[]{"System.out.println", "String.valueOf", "Integer.parseInt"};
            case "python":
                return new String[]{"print", "len", "range", "str", "int"};
            case "javascript":
                return new String[]{"console.log", "parseInt", "parseFloat", "String", "Number"};
            default:
                return new String[]{"print", "input", "output"};
        }
    }

    @Override
    public Boolean disableLanguageSupport(String language) {
        log.info("禁用语言支持: language={}", language);
        return true; // 简单实现
    }

    @Override
    public Boolean enableLanguageSupport(String language) {
        log.info("启用语言支持: language={}", language);
        return true; // 简单实现
    }

    @Override
    public Object getLanguageCompilerInfo(String language) {
        log.info("获取语言编译器信息: language={}", language);
        Map<String, Object> info = new HashMap<>();
        info.put("compiler", language + "c");
        info.put("version", "latest");
        info.put("path", "/usr/bin/" + language + "c");
        return info;
    }

    @Override
    public Object getLanguageRuntimeInfo(String language) {
        log.info("获取语言运行时信息: language={}", language);
        Map<String, Object> info = new HashMap<>();
        info.put("runtime", language);
        info.put("version", "latest");
        info.put("path", "/usr/bin/" + language);
        return info;
    }

    @Override
    public Object validateLanguageSyntax(String language, String sourceCode) {
        log.info("验证语言代码语法: language={}, codeLength={}", language, sourceCode.length());
        Map<String, Object> result = new HashMap<>();
        result.put("valid", true);
        result.put("errors", new String[0]);
        result.put("warnings", new String[0]);
        return result;
    }

    @Override
    public String[] getLanguageKeywords(String language) {
        log.info("获取语言关键字: language={}", language);
        switch (language.toLowerCase()) {
            case "java":
                return new String[]{"public", "private", "class", "interface", "extends", "implements"};
            case "python":
                return new String[]{"def", "class", "if", "else", "for", "while", "import"};
            case "javascript":
                return new String[]{"function", "var", "let", "const", "if", "else", "for", "while"};
            default:
                return new String[]{"if", "else", "for", "while"};
        }
    }
}
